Examples for secondary school students - page 3 of 212
Number of problems found: 4231
- Sequence:
Sequence: 4,10,40,400,16,000,______, ________ Find these two members. - Solve 6
Solve the following equations: x + 2y - z = 3 3x + 4y + z = 5 3x - y - z = 5 - Calculate
Calculate the sum of all three-digit natural numbers divisible by five. - Sum 1-6
Find the sum of the geometric progression 3, 15, 75,… to six terms. - Find next member
Find x if the numbers from a GP are 7, 49, and x. - Missing term 2
What is the missing term for the Geometric Progression (GP) 3, 15, 75,__, 1875? - 10th term
What is the 10th term of the Arithmetic Progression if x1=4 and d=5? - Solve 3
Solve a quadratic equation: (6n+1) (4n-1) = 3n² - Inverse matrix
Find how many times the larger determinant is the matrix A, which equals 9 as the determinant of its inverse matrix. - The inverse
The inverse matrix for matrix A has a determinant value of 0.333. What value has a determinant of matrix A? - Quadratic equation
Find the roots of the quadratic equation: 3x²-4x + (-4) = 0. - Is complex
Are these numbers 2i, 4i, 2i + 1, 8i, 2i + 3, 4 + 7i, 8i, 8i + 4, 5i, 6i, 3i complex? - Vector
Determine coordinates of the vector u=CD if C[8;13], D[7,14]. - ABS
What is the value of ||-81|-|-90||? - Log
If log4 x+ log8 x = log_b x, what is b? - ABS CN
Calculate the absolute value of the complex number -15-29i. - Geometric progression
Fill 4 numbers between 4 and -12500 to form a geometric progression. - What is 24
What is the sum of numbers between 20 and 40? - Contain 5173
Write the number of units that contain a unit matrix with rows 3. - Equation: 4274
Solve the equation: V (2, x + 2) = 90
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